PL/SQL Script to read CLOB(XML Data) which is more than 32kb size

Here in this article I will be writing how to read a CLOB file using DBMS_LOB which is more than 32kb size. The below example is related to dunning letters where a seeded concurrent program IEX: Bulk XML Delivery Manager generates dunning letters data in XML form and stored it in table IEX_XML_REQUEST_HISTORIES in CLOB format